[ sel ]

牛津3000核心词汇 柯林斯星级 ★★★★☆ BNC词频 769 COCA词频 895

n. 单元, 细胞, 电池
[计] 单元

n. any small compartment
n. (biology) the basic structural and functional unit of all organisms; they may exist as independent units of life (as in monads) or may form colonies or tissues as in higher plants and animals
n. a device that delivers an electric current as the result of a chemical reaction
n. a small unit serving as part of or as the nucleus of a larger political movement

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